Following WWI, fortune hunter Allen Quartermain's son Harry travels to Africa to search for King Solomon's mines. He dons a special medallion given by his father from the Watusi tribe, who guard the mines. Along the way, Harry and his friend Rick meet and take with them Erica, daughter of a missionary killed by a local tribe.
| Actor | Role |
|---|---|
 George MontgomeryHarry Quartermain | Harry Quartermain |
 Taina ElgErica Neuler | Erica Neuler |
 David FarrarRick Cobb | Rick Cobb |
| DDan SeymourMohamet | Mohamet |
 Robert GoodwinJim-Jim | Jim-Jim |
 Rex IngramUmbopa | Umbopa |
| AAnthony M. DavisAmtaga | Amtaga |
| PPaul ThompsonGagool | Gagool |
| HHarold DyrenforthWilhelm von Kentner | Wilhelm von Kentner |
| CCharles SwainM'ban (uncredited) | M'ban (uncredited) |
 Martin WilkinsWounded Native (uncredited) | Wounded Native (uncredited) |